From nobody Wed Apr 8 06:03:36 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63306C32774 for ; Tue, 23 Aug 2022 06:44:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240501AbiHWGo3 (ORCPT ); Tue, 23 Aug 2022 02:44:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239875AbiHWGo2 (ORCPT ); Tue, 23 Aug 2022 02:44:28 -0400 Received: from mail-m963.mail.126.com (mail-m963.mail.126.com [123.126.96.3]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C66E613DF6 for ; Mon, 22 Aug 2022 23:44:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=vA5Ae AbhZveLwqZvzwPuBdbrG2MlvxHo52QrIh29FRE=; b=VMJYcQr4/atAFWSfxtbY8 2ZHocm3hno7C6gSY0TqUpBOJxV1L/ItDKJKGHm9DPH9RcYOoP6w5tOWVkyjJbZ7j A1tM0WazplM7ge+0g8EKtt79vL7Llon1BFmJ3sj+BdQyzTORZKIERn3dP1UiIg3Q Wlzu0Mnl/0NEm7d2mhe1kE= Received: from CD-PF1FQ4FS.Hygon.cn (unknown [175.152.51.41]) by smtp8 (Coremail) with SMTP id NORpCgDXqgw4dwRj9dGVAQ--.54535S2; Tue, 23 Aug 2022 14:44:10 +0800 (CST) From: jinsdb@126.com To: alexander.deucher@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@linux.ie, daniel@ffwll.ch Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, jinsdb@126.com Subject: [PATCH] drm/amdgpu: mmVM_L2_CNTL3 register not initialized correctly Date: Tue, 23 Aug 2022 14:44:06 +0800 Message-Id: <20220823064406.1874-1-jinsdb@126.com> X-Mailer: git-send-email 2.22.0.windows.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: NORpCgDXqgw4dwRj9dGVAQ--.54535S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrurW3AFWDZrWkGF1UtFykGrg_yoWfWrc_AF WYq3sY9r47uFn2qryxZr43Wa4jvFn5uF4fWr1UJa4Fyry2q397Xa47urn2qr18uF4fuF13 u3ZIgry5JasxCjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRZzVj7UUUUU== X-Originating-IP: [175.152.51.41] X-CM-SenderInfo: pmlq2vbe6rjloofrz/1tbijBpmDlpEJFGYIwAAsu Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Qu Huang The mmVM_L2_CNTL3 register is not assigned an initial value Signed-off-by: Qu Huang --- drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/= amdgpu/mmhub_v1_0.c index 1da2ec692057e..b8a987a032a8e 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c @@ -176,6 +176,7 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_de= vice *adev) tmp =3D REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2, tmp); + tmp =3D mmVM_L2_CNTL3_DEFAULT; if (adev->gmc.translate_further) { tmp =3D REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12); tmp =3D REG_SET_FIELD(tmp, VM_L2_CNTL3, -- 2.31.1